دانشجویان پزشکی 87 کرمان
The answers are
1-c, 2-b, 3-a.
This young woman presents with symptoms of both upper and lower respiratory infection.The combination of sore throat, bullous myringitis, and infiltrates on chest x-ray is consistent with infection due to M. pneumoniae.
This minute organism is not seen on Gram stain.
Neither S. pneumoniae nor H. influenzae would produce this combination of upper and lower respiratory
The patient is likely to have high titers of IgM cold agglutinins. The low hematocrit and elevated reticulocyte count reflect a
hemolytic anemia that can occur from mycoplasma infection. These Igm class antibodies are directed to the I antigen on the erythrocyte membrane.
The treatment of choice for mycoplasma infection is erythromycin.
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